/*---------------------------------------------------------------------------*\
    OneFLOW - LargeScale Multiphysics Scientific Simulation Environment
    Copyright (C) 2017-2021 He Xin and the OneFLOW contributors.
-------------------------------------------------------------------------------
License
    This file is part of OneFLOW.

    OneFLOW is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    OneFLOW is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.

    You should have received a copy of the GNU General Public License
    along with OneFLOW.  If not, see <http://www.gnu.org/licenses/>.

\*---------------------------------------------------------------------------*/


#pragma once
#include "HXDefine.h"
#include "HXArray.h"

BeginNameSpace( ONEFLOW )

class Grad
{
public:
    Grad();
    ~Grad();
public:
    int nEqu;
    MRField * q;
    MRField * dqdx, * dqdy, * dqdz;
    MRField * bdqdx, * bdqdy, * bdqdz;
    string name, namex, namey, namez;
    int istore;
public:
    virtual void Init(){};
    void CalcGrad();
    void CalcGradDebug();
    void SwapBcGrad();
    void StoreBcGrad();
};

EndNameSpace